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Optics Express

Optics Express

  • Editor: C. Martijin de Sterke
  • Vol. 19, Iss. 7 — Mar. 28, 2011
  • pp: 6913–6922

Spectrally encoded spectral imaging

Avraham Abramov, Limor Minai, and Dvir Yelin  »View Author Affiliations

Optics Express, Vol. 19, Issue 7, pp. 6913-6922 (2011)

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Spectral imaging, i.e. the acquisition of the spectrum emitted from each sample location, is a powerful tool for a wide variety of applications in science and technology. For biomedical applications, spectral imaging is important for accurate analysis of a biological specimen and for assisting clinical diagnosis, however it could be challenging mainly due to the typically low damage thresholds and strict time constraints. Here, we present a fiber-based technique termed spectrally encoded spectral imaging (SESI), in which a fully emitted spectrum is captured from each resolvable point of a specimen using an additional lateral scanning of the spectrally encoded line. The technique is demonstrated by capturing spectral data cubes of a color print and of a green leaf, and its potential advantage in signal-to-noise ratio is theoretically discussed. Using a miniaturized grating-lens configuration, SESI could be conducted endoscopically, allowing minimally invasive color and spectral imaging in remote locations of the body.

© 2011 OSA

OCIS Codes
(060.2350) Fiber optics and optical communications : Fiber optics imaging
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(330.1710) Vision, color, and visual optics : Color, measurement
(110.4234) Imaging systems : Multispectral and hyperspectral imaging

ToC Category:
Imaging Systems

Original Manuscript: January 14, 2011
Revised Manuscript: March 6, 2011
Manuscript Accepted: March 6, 2011
Published: March 25, 2011

Virtual Issues
Vol. 6, Iss. 4 Virtual Journal for Biomedical Optics

Avraham Abramov, Limor Minai, and Dvir Yelin, "Spectrally encoded spectral imaging," Opt. Express 19, 6913-6922 (2011)

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